What is the Least Common Multiple of 85820 and 85828?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 85820 and 85828 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85820 and 85828, than apply into the LCM equation.

GCF(85820,85828) = 4
LCM(85820,85828) = ( 85820 × 85828) / 4
LCM(85820,85828) = 7365758960 / 4
LCM(85820,85828) = 1841439740

Least Common Multiple (LCM) of 85820 and 85828 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85820 and 85828. First we will calculate the prime factors of 85820 and 85828.

Prime Factorization of 85820

Prime Factorization of 85828

Now multiplying the highest exponent prime factors to calculate the LCM of 85820 and 85828.

LCM(85820,85828) = 2² × 5¹ × 7¹ × 613¹ × 43¹ × 499¹
LCM(85820,85828) = 1841439740